The longest mountain ranges on earth and highest mountains occur:
in the himalayan mountain system
in the appalachian mountain system
under the ocean

The difference(s) between the grand canyon and valles marineris is/are: (a) the grand canyon was formed by water, but valles marineris was not. (a) valles marineris is much longer than the grand canyon. (c) valles marineris is much wider than the grand canyon. (d) valles marineris has large volcanoes near it. all of the above

Why does a tidal bulge occurs on opposote sides of earth

For one week be an inventor and write down ideas for products or services that you think should be produced